NGC 861 explained
| NGC 861 |
| Epoch: | J2000 |
| Constellation Name: | Triangulum |
| Ra: | [1] |
| Z: | 0.027249 |
| H Radial V: | 8058 km/s |
| Dist Ly: | [2] |
| Type: | Sb |
| Appmag B: | 14.8 |
| Names: | [3] |
NGC 861 is a spiral galaxy in the constellation Triangulum. It is estimated to be 360 million light-years from the Milky Way[2] and has a diameter of approximately 165,000 light-years. The object was discovered on September 18, 1865 by Heinrich d'Arrest.[4] [5] [6]
See also
References
- 10.1086/498708 . Skrutskie . Michael F. . Cutri . Roc M. . Stiening . Rae . Weinberg . Martin D. . Schneider . Stephen E. . Carpenter . John M. . Beichman . Charles A. . Capps . Richard W. . Chester . Thomas . Elias . Jonathan H. . Huchra . John P. . Liebert . James W. . Lonsdale . Carol J. . Monet . David G. . Price . Stephan . Seitzer . Patrick . Jarrett . Thomas H. . Kirkpatrick . J. Davy . Gizis . John E. . Howard . Elizabeth V. . Evans . Tracey E. . Fowler . John W. . Fullmer . Linda . Hurt . Robert L. . Light . Robert M. . Kopan . Eugene L. . Marsh . Kenneth A. . McCallon . Howard L. . Tam . Robert . Van Dyk . Schuyler D. . Wheelock . Sherry L. . The Two Micron All Sky Survey (2MASS) . The Astronomical Journal . 1 February 2006 . 131 . 2 . 1163–1183 . 2006AJ....131.1163S . 18913331 . 0004-6256 . free .
- Groups of Galaxies in the Two Micron All Sky Redshift Survey. Crook, Aidan C.. Huchra, John P.. Martimbeau, Nathalie. Masters, Karen L.. Jarrett, Tom. Macri, Lucas M.. The Astrophysical Journal. 655. 2. 790–813. 2007. 2007ApJ...655..790C. 10.1086/510201. astro-ph/0610732. 11672751 .
- NGC 861. 2020-05-25.
- Web site: The galaxy NGC 861 - In-The-Sky.org. Ford. Dominic. in-the-sky.org. en. 2020-04-26.
- Web site: Your NED Search Results. ned.ipac.caltech.edu. 2020-04-26.
- Web site: Revised NGC Data for NGC 861. spider.seds.org. 2020-04-26.
